Mr Zhang often tells us afraid of making mistakes when you speak English.A. not beB. not

问题补充：

Mr Zhang often tells us afraid of making mistakes when you speak English.

A. not be

B. not to

C. not to be

D. to be not

答案：

A. not be

B. not to

(答案→)C. not to be

D. to be not

解析：句意:张老师经常告诉我们在说英语的时候不要害怕犯错。tell sb. to do sth. 这个句型的意思是告诉某人去做某事，它的否定形式是tell sb. not to do sth. 故应选C。